Which class is the superclass of all exception type classes?

The ThreadHandling interface contains all the methods used for handling thread related operations in Java 

Which of these is a wrapper around everything associated with a reply from an HTTP server?

Which of these streams contains the classes that can work with character data?

Which of these is a correct way of creating a list that is upper bounded by the class Number?

class test{

public static void main (String[] args) {

    int a,b,c,d;

           a=b=c=d=40;

           a-=b+=c/=d*=2;

          System.out.println(a+" "+b+" "+c+" "+d);

}

}

What is the output of the following Java code?

import java.util.stream.Stream;

class Abekus {

public static void main(String[] args)

{

Stream<Long> l = Stream.of(768L);

l.forEach(System.out::println);

}

}

class test

{

        public static void main(String[] args)

       {

               int[] arr=new int[]{0,1,2,3,4,5,6,7,8,9};

               int n=16;

               n=arr[arr[arr[n/2]]]/2;

               System.out.println(arr[n]/2);

       }

}

Difference between InputStream and OutputStream in Java?

Predict the output of the following Java code:

class Abekusmain {

public static void main(String args[]) {

System.out.println(12 + 33 + "Abekus");

System.out.println("Abekus" + 12 + 33);

}

}